76 citations · 149 across the 14 of their papers we have counts for
14 papers
Unveiling the directional network behind the financial statements data using volatility constraint correlation
Tomoshiro Ochiai, Jose C. Nacher
Financial data, such as financial statements, contain valuable and critical information that may assist stakeholders and investors in optimizing their capital to maximize overall e…
Analytical Solution for the Size of the Minimum Dominating Set in Complex Networks
Jose C. Nacher, Tomoshiro Ochiai
Domination is the fastest-growing field within graph theory with a profound diversity and impact in real-world applications, such as the recent breakthrough approach that identifie…
Prospect Theory for Online Financial Trading
Yang-Yu Liu, Jose C. Nacher, Tomoshiro Ochiai +2
Prospect theory is widely viewed as the best available descriptive model of how people evaluate risk in experimental settings. According to prospect theory, people are risk-averse…
Carpet cloaking and Laplace transformation
T. Ochiai, J. C. Nacher
Recently, researchers have proposed several carpet cloaking designs that are able to hide a real object under a bump in a way that it is perceived as a flat ground plane. Here, we…
Reflection-less device allows electromagnetic warp drive
T. Ochiai, J. C. Nacher
One of the striking properties of artificially structured materials is the negative refraction, an optical feature that known natural materials do not exhibit. Here, we propose a s…
Plus-minus construction leads to perfect invisibility
J. C. Nacher, T. Ochiai
Recent theoretical advances applied to metamaterials have opened new avenues to design a coating that hides objects from electromagnetic radiation and even the sight. Here, we prop…